Good wireless gaming headsets under $100 are harder to find than you’d think. Most options at that price cut corners on audio quality or ship with a mic that makes you sound like you’re calling from a parking garage. The Razer BlackShark V2 HyperSpeed is a different story. Amazon has it marked down 50% to $64.99, half its usual $129.99 list price. It’s tagged as a limited-time deal, so no guarantees on how long it holds. The V2 HyperSpeed connects via 2.4GHz wireless dongle, Bluetooth 5.2, or wired USB-C. The 2.4GHz connection keeps latency low for gaming, while Bluetooth covers casual listening and phone calls. Battery life sits at 70 hours, and a 15-minute quick charge adds six more hours if you’re running low. The 50mm TriForce Titanium drivers cover a wide frequency range, and the bendable mic picks up voice clearly enough that reviewers have called it near-broadcast quality for the price. At 280 grams, it’s light enough for long sessions.…